Home / 40,157.40-55,417.59-22,252.62

Finding the Fourth Proportional to 40,157.40, 55,417.59 and 22,252.62

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Solution

The fourth proportional to 40,157.40, 55,417.59 and 22,252.62 is: 30,708.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,157.40 : 55,417.59 = 22,252.62 : x
  2. Step 2: Convert to fraction form
    40,157.40/55,417.59 = 22,252.62/x
  3. Step 3: Cross multiply
    40,157.40x = 55,417.59 × 22,252.62
  4. Step 4: Simplify right side
    40,157.40x = 1,233,186,571.59
  5. Step 5: Solve for x
    x = 1,233,186,571.59/40,157.40
  6. Step 6: Final answer
    x = 30,708.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.